436 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxxi. 



Hanburv found it fairly common at Point Epworth, July 7; Gray's 

 Bay, July 3; and on the Barren Grounds (Arctic coast, Vjetween Point 

 Epworth and the mouth of Coppermine River), July 13 and 14; taking 

 a number of specimens/' 



EURYMUS OCCIDENTALIS (Scudder). 



Apparently an uncommon species in the north. We did not meet 

 with it in 1903-1. 



The cotype came from Fort Simpson, Mackenzie. 



Edwards mentions specimens taken on Mackenzie River, * pre- 

 sumably at Fort Simpson, by Mrs. Ross; while Doctor Fletcher records 

 a specimen which Frederick Bell collected at Fort Simpson, July 17, 

 1888.^ 



E. occldentalis has a more western range than any of the other 

 species of Eurymus recorded from JNlackenzie and Athabaska. Doctor 

 Scudder based his original description of the species upon specimens 

 from the Gulf of Georgia, British Columbia, and Fort Simpson, 

 Mackenzie. 



EURYMUS CHRISTINA (Edwards). 



The type of this species came from Smith Rapids, Athabaska. 



This large and extremely variable species seems to be hy far the most 

 abundant Euryimi.^ in the southern portions, where it has a general 

 distribution. I did not meet with it in 11>03, ])ut in lUOl Mr. Preble 

 collected several at Fort Good Hope, June 21, and a series of 15 speci- 

 mens near the mouth of the North Nahanni River, July i}5. Mr. 

 Preble's specimens are of l)oth sexes, and exhil)it a great amount of 

 variation, especially in the amount of orange suffusion on the fore 

 wings of the males. It is probable that E. chrkthm does not appear 

 until reasonably late in the sununer. In 1903, I spent nearly a week 

 during the middle of .luly at the mouth of the North Nahanni River, 

 where Mr. Preble secured his tine series in 1901, but captured only 

 E. palaeno. Doctor Fletcher writes me that during the same season 

 J. M. Macoun of the Canadian Geological Survey collected specimens 

 in the vicinit^^ of Dunvegan, Athabaska, on the upper Peace River. 



Edwards named this species after Mrs. Christina Ross, who collected 

 the type series at the "Portage of Slave River" [Smith Rapids] in 

 1802.'^' Strecker mentions numerous examples of christl^ut received 

 by him from Herr Geti'cken, which had been taken in the region to 

 the west of Hudson Bay, many of them from near Lake Athabaska.*^ 

 Individual variation was at a maxinunn in Doctor Strecker's series, 



« Trans. Ent. Soc. London, Pt. 3, 1903, p. 242. 



& Butterflies of North America, I, 1879 [p. 57]. 



"Ann. Kept. Can. Geol. Surv., Ill (newser.), Pt. 1, App. IV, (1889), p. 231 B. 



<?Proc. Ent. Soc. Phila., II, 1863, p. 79. 



« Lepidoptera, Rhopaloceres and Heteroceres, 1872, p. 133. 



